Finding the Fourth Proportional to 38,757.35, 53,488.25 and 21,762.73

Step by Step Solution

1. Step 1: Write the proportion equation
   38,757.35 : 53,488.25 = 21,762.73 : x
2. Step 2: Convert to fraction form
   38,757.35/53,488.25 = 21,762.73/x
3. Step 3: Cross multiply
   38,757.35x = 53,488.25 × 21,762.73
4. Step 4: Simplify right side
   38,757.35x = 1,164,050,081.71
5. Step 5: Solve for x
   x = 1,164,050,081.71/38,757.35
6. Step 6: Final answer
   x = 30,034.30